In order to detect multiple planets around a single star using the transit photometry method, the planets must have nearly the same
A) orbital periods.
B) masses.
C) orbital plane.
D) diameters.

Question

Quizplus · Accepted Answer

For the transit photometry method to detect multiple planets around a single star, the planets must pass in front of the star from our point of view. This requires them to have nearly the same orbital plane, so that each planet can transit the star as seen from Earth.

In Order to Detect Multiple Planets Around a Single Star